40104511 has 4 divisors (see below), whose sum is σ = 40762024. Its totient is φ = 39447000.

The previous prime is 40104499. The next prime is 40104523. The reversal of 40104511 is 11540104.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (40104499) and next prime (40104523).

It is a cyclic number.

It is not a de Polignac number, because 40104511 - 2¹¹ = 40102463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40104811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328665 + ... + 328786.

It is an arithmetic number, because the mean of its divisors is an integer number (10190506).

Almost surely, 2^40104511 is an apocalyptic number.

40104511 is a deficient number, since it is larger than the sum of its proper divisors (657513).

40104511 is an equidigital number, since it uses as much as digits as its factorization.

40104511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657512.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 40104511 is about 6332.8122504935. The cubic root of 40104511 is about 342.2927824646.

Adding to 40104511 its reverse (11540104), we get a palindrome (51644615).

The spelling of 40104511 in words is "forty million, one hundred four thousand, five hundred eleven".